BARNEY M DAVIS
OperatingNatural Gas power plant
- Capacity
- 1,082 MW
- Primary fuel
- Natural Gas
- County
- Nueces County
- Operator
- TOPAZ POWER GROUP LLC
- Status
- Operating
- Commissioned
- 1974
- EIA plant ID
- 4939
- Generators
- 4
- Technology
- Natural Gas Fired Combined Cycle
- Net generation (2024)
- 1,561 GWh
- Capacity factor (2024, EIA nameplate)
- 16%
- Data vintage
- EIA-860 2024 final; EIA-923 2022-2024 final
- Coordinates
- 27.6073, -97.3109
BARNEY M DAVIS, a 1,082 MW Natural Gas power plant in Nueces County, Texas. Operated by TOPAZ POWER GROUP LLC, commissioned 1974.
How BARNEY M DAVIS compares
With 1,082 MW of capacity, BARNEY M DAVIS ranks 24th among the 307 operating power plants Bywatts maps in Texas and 14th of the 134 operating Natural Gas plants in the state. It accounts for about 1.6% of Texas's operating Natural Gas capacity and 1.0% of all operating capacity in the state. Nationally it is the 78th-largest of the 1,185 operating Natural Gas plants in the database. Commissioned in 1974, it is older than 81% of the 303 operating Texas plants with a recorded commissioning year. Its operator, TOPAZ POWER GROUP LLC, runs 3 operating plants in Texas totaling 2,076 MW. It shares Nueces County with 6 other operating plants, including NUECES BAY and CORPUS CHRISTI ENERGY CENTER.
EIA-860 lists 4 generators at the site with 1,082 MW of nameplate capacity, mainly natural gas fired combined cycle technology. Net generation was 1,561 GWh in 2024 (a 16% capacity factor), up 22% from 2022. Its generators came online between 1974 and 2010.
Grid neighborhood
The closest transmission line found within 10 miles is a 138 kV line owned by AEP TEXAS CENTRAL CO., under 0.1 miles away. Another 8 operating power plants totaling 2,602 MW sit within 25 miles; the largest is NUECES BAY (730 MW).
Computed by Bywatts from HIFLD power plant and transmission line records and EIA-860/923 survey data; distances are straight-line. Sources and methodology
Weather peril exposure
BARNEY M DAVIS is a 1,082 MW natural gas power plant in Nueces County, TX, operated by TOPAZ POWER GROUP LLC, commissioned in 1974. Nueces County carries high modeled catastrophe exposure in the FEMA National Risk Index, scoring 3.9 of 5 at the 74th national percentile. Hurricane is the leading peril, rated Very High by FEMA at the 94th percentile.
The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to a natural gas plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
Nueces County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Hurricane | Very High | 94th | 4.8 of 5 | 0.14 |
| Heat wave | Relatively High | 54th | 3.2 of 5 | 16.7 |
| Wildfire | Relatively Low | 52nd | 3.1 of 5 | <0.01 |
| Lightning | Relatively High | 48th | 2.9 of 5 | 44.0 |
| Hail | Relatively Moderate | 47th | 2.9 of 5 | 0.89 |
| Coastal flooding | Relatively Moderate | 43rd | 2.7 of 5 | 3.7 |
| Strong wind | Relatively High | 35th | 2.4 of 5 | 0.74 |
| Riverine flooding | Relatively High | 29th | 2.2 of 5 | 4.4 |
| Tornado | Relatively High | 29th | 2.2 of 5 | 0.37 |
| Ice storm | Relatively Moderate | 11th | 1.5 of 5 | 0.30 |
| Earthquake | Very Low | 8th | 1.3 of 5 | <0.01 |
| Winter weather | Relatively Moderate | 7th | 1.3 of 5 | 0.86 |
Model hail, wind and flood exposure for Nueces County in the weather risk calculator
Ratings are the FEMA National Risk Index county hazard ratings; the peril score is a Bywatts transform of the FEMA national percentile. Full data sources and the solar vulnerability methodology are in the weather risk calculator.
Modeled estimate for screening and negotiation. Built from FEMA National Risk Index county hazard data and a solar vulnerability layer documented above. Not a quote, a binder, or actuarial advice, and not a substitute for a carrier's own model. Hazard data: FEMA National Risk Index December 2025, synced 2026-07-24. Resolution is county level, not site level.